As further information is released this tragic event will go down in history as a Dark Day for anyone that enjoys Rodeo and Loves Animals.   This news article does a good job of explaining the situation.  I cannot imagine the pain and suffering of the event.

https://www.si.com/fannation/rodeo/news/a-stock-contractors-nightmare-more-than-40-horses-dead-with-no-remedy#:~:text=Beutler%20%26%20Son%20Rodeo%20Company%20had,doubt%20it%20was%20a%20mistake.